Surah As-Saffat 37:64
إِنَّهَا شَجَرَةٌ تَخْرُجُ فِىٓ أَصْلِ ٱلْجَحِيمِ
Indeed, it is a tree issuing from the bottom of the Hellfire,
Translation: Saheeh International
Tafsir
Indeed it is a tree that comes forth from the very source of Hell in other words from the depths of Hell with its branches extending up through all its different levels.
Excerpt from Tafsir al-Jalalayn, commentary on 37:64, via Quran.com. The reader has the full commentary and 9 more tafsirs.